Added data lock for audio configs (need to wire into volume command still)

src/commands/audio/mod.rs

@@ -1,3 +1,4 @@
+use std::collections::HashMap;
 use std::sync::Arc;
 
 use log::debug;
@@ -16,6 +17,18 @@ pub mod skip;
 pub mod stop;
 pub mod volume;
 
+#[derive(Clone, Debug)]
+pub struct AudioConfigs;
+
+impl TypeMapKey for AudioConfigs {
+  type Value = Arc<RwLock<HashMap<GuildId, AudioConfig>>>;
+}
+
+#[derive(Clone, Debug)]
+pub struct AudioConfig {
+  pub volume: f32
+}
+
 /// Joins a Discord voice channel.
 /// 
 /// # Arguments
@@ -135,7 +148,7 @@ pub async fn edit_response(ctx: &Context, command: &ApplicationCommandInteractio
 /// 
 /// # Returns
 /// Result<Metadata, SongbirdError> - Ok if the song was added successfully, Err if there was an error.
-pub async fn add_song(call: Arc<Mutex<Call>>, url: &str, lazy: bool) -> Result<Metadata, SongbirdError> {
+pub async fn add_song(call: Arc<Mutex<Call>>, url: &str, lazy: bool, audio_config: Option<&AudioConfig>) -> Result<Metadata, SongbirdError> {
   let source = if is_valid_url(url) {
     Restartable::ytdl(url.to_owned(), lazy).await?
   } else {
@@ -144,7 +157,10 @@ pub async fn add_song(call: Arc<Mutex<Call>>, url: &str, lazy: bool) -> Result<M
   let mut handler = call.lock().await;
   let track: Input = source.into();
   let metadata = *track.metadata.clone();
-  handler.enqueue_source(track);
+  let track_handle = handler.enqueue_source(track);
+  if let Some(ac) = audio_config {
+    let _ = track_handle.set_volume(ac.volume);
+  }
   Ok(metadata)
 }